SPIGOT-2793: Revert Nameable changes

By: md_5 <git@md-5.net>

paper-api/src/main/java/org/bukkit/block/ShulkerBox.java

@@ -1,18 +1,8 @@
 package org.bukkit.block;
 
-import org.bukkit.DyeColor;
-import org.bukkit.Nameable;
 import org.bukkit.inventory.InventoryHolder;
 
 /**
  * Represents a ShulkerBox.
  */
-public interface ShulkerBox extends BlockState, InventoryHolder, Lockable, Nameable {
-
-    /**
-     * Get the {@link DyeColor} corresponding to this ShulkerBox
-     *
-     * @return the {@link DyeColor} of this ShulkerBox
-     */
-    public DyeColor getColor();
-}
+public interface ShulkerBox extends BlockState, InventoryHolder, Lockable { }